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Pyrgus is a genus in the skippers butterfly family, Hesperiidae, known as the grizzled skippers. The name "grizzled skipper" best describes this genus, but in some countries the name "checkered" or "chequered skipper" is applied to some species. Strictly speaking, "chequered skippers" applies to butterflies of the genus Carterocephalus. They occur in the Holarctic with an additional group of species extending to the Neotropic.
Guaibasaurus is an extinct genus of basal dinosaur known from the Late Triassic Caturrita Formation of Rio Grande do Sul, southern Brazil. It was possibly a basal theropod or sauropodomorph. In 2016 Gregory S. Paul estimated it at 2 meters and 10 kg, whereas in 2020 Molina-Pérez and Larramendi listed it at 3 meters and 35 kg.
Bibasis sena, commonly known as the orange-tailed awlet, is a butterfly belonging to the family Hesperiidae, the skippers. It is also sometimes called the pale green awlet though that name can also refer to Bibasis gomata.
Baurutitan is a genus of sauropod dinosaur that lived during the Late Cretaceous in what is now Brazil. The type species, Baurutitan britoi, was described in 2005 by Kellner and colleagues, although the fossil remains had already been discovered in 1957. Baurutitan is classified as a lithostrotian titanosaur, and is distinguished from related genera based on its distinctive caudal vertebrae. This South American dinosaur was found in the Marília Formation near Uberaba, in the Brazilian state of Minas Gerais.
Montealtosuchus was an extinct genus of terrestrial crocodyliform. It was discovered in 2004 in the Bauru Basin of Brazil, from Turonian-Santonian deposits of the Adamantina Formation. The species was described in 2007, and assigned to the family Peirosauridae. The type species is M. arrudacamposi. The genus takes its name from the type locality in Monte Alto municipality.
Urbanus is a genus of skipper butterflies erected by Jacob Hübner in 1807. They belong to the subfamily Eudaminae, which was long included with the spread-winged skippers (Pyrginae) as a tribe. They are found from the southern United States to South America.
Aides is a Neotropical genus of skippers in the family Hesperiidae.
Jemadia is a Neotropical genus of firetips in the family Hesperiidae.
Mimoniades is a Neotropical genus of skipper butterflies in the family Hesperiidae.
Parelbella is a Neotropical genus of firetips in the family Hesperiidae.
Polygonus is a Nearctic and Neotropical genus of spread-winged skippers in the family Hesperiidae.
Porphyrogenes is a Neotropical genus of spread-winged skippers in the family Hesperiidae.
Pyrrhopyge is a Neotropical genus of firetips in the family Hesperiidae.
Zariaspes is a Neotropical genus of grass skipper butterflies in the family Hesperiidae.
Aguna is a Neotropical genus in the family Hesperiidae (Eudaminae).
Charruodon is an extinct genus of cynodonts which existed in the Hyperodapedon Assemblage Zone of the Santa Maria Formation in the Paraná Basin in southeastern Brazil during the Late Triassic. The genus contains only the type species Charruodon tetracuspidatus, which is known from a single specimen of uncertain provenance. Upon its first description, Charruodon was tentatively placed within the family Therioherpetidae, but a 2017 study by Agustín G. Martinelli and colleagues instead recovered it as a more basal member of Probainognathia.
Aetobarbakinoides is an extinct genus of stagonolepidid aetosaur known from the Late Triassic of Rio Grande do Sul state, southern Brazil. Fossils have been found from the Santa Maria Supersequence of the late Carnian and early Norian stages, making Aetobarbakinoides one of the oldest aetosaurs. The type species, A. brasiliensis, was named in 2012, and is notable for being described primarily by features of the vertebrae; most other aetosaurs are diagnosed by features in bony plates called osteoderms, which are by far the most common material. Although placed in a basal phylogenetic position among aetosaurs, Aetobarbakinoides is closely related to both desmatosuchines and typothoracisines, two derived clades of aetosaurs.
Boreostemma is an extinct genus of glyptodonts from northern South America. Fossils assigned to the genus were first described as belonging to Asterostemma from southern South America, but have been placed in the new genus Boreostemma by Carlini et al. in 2008. The type species is B. pliocena. Fossils of Boreostemma have been found in the Honda Group of Colombia, in Peru and Venezuela.
Paradracaena is an extinct genus of lizards from northern South America. Fossils of Dracaena colombiana have been found in the Honda Group of Colombia, Peru and Brazil. The species was described as a member of the tegus; Tupinambis huilensis by Estes in 1961.
